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EC number: 700-282-1
CAS number: 66922-99-4
Phosphoric acid, potassium salt (2:3), dihydrate is acutely not harmful to fish
The acute toxicity of
phosphoric acid, potassium salt (2:3) dihydrate (CAS No. 66922-99-4) to
fish species was investigated in a study by Priestly and Mullee (2010).
This test was conducted according to OECD Guideline No. 203, Fish, Acute
Toxicity Test (1992) under GLP conditions. Test organisms (Oncorhynchus
mykiss) were exposed to the test substance for 96 hours, applying a
semi-static water regime. Analytical determinations were performed to
ensure a proper maintenance of the test concentration throughout the
experiment. Observations for lethal and sub-lethal effects were
performed at 3, 6, 24, 48, 72 and 96 hours.
No effects on survival
or fitness of fishes exposed to the test material were reported and
therefore, a LC50 above 100 mg/L and a NOEC ≥
100 mg/L were determined.
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